Strength training

Adjustable dumbbells replace a whole set and take up just a corner of the room, while resistance bands add resistance where weights do not make sense. A doorway pull-up bar opens up a whole group of back exercises. Add weight gradually — muscles get stronger faster than tendons and ligaments, and overloading them is the most common reason why people quit strength training. Technique comes before weight; you can achieve more with your body weight than it seems at first glance.